Thermostat



FIG. 1 is a perspective view of a first embodiment;

FIG. 2 is a right side view of a first embodiment;

FIG. 3 is a left side view of a first embodiment;

FIG. 4 is a front view of a first embodiment;

FIG. 5 is a rear view of a first embodiment;

FIG. 6 is a top view of a first embodiment;

FIG. 7 is a bottom view of a first embodiment;

FIG. 8 is a perspective view of a second embodiment;

FIG. 9 is a right side view of a second embodiment;

FIG. 10 is a left side view of a second embodiment;

FIG. 11 is a front view of a second embodiment;

FIG. 12 is a rear view of a second embodiment;

FIG. 13 is a top view of a second embodiment; and,

FIG. 14 is a bottom view of a second embodiment.

The broken lines in the Figures are for environmental purposes only and form no part of the claimed design. 

The ornamental design for a thermostat, as shown and described. 